{"id":4958,"date":"2024-04-09T21:04:58","date_gmt":"2024-04-09T13:04:58","guid":{"rendered":"https:\/\/www.xinyixx.com\/?p=4958"},"modified":"2024-04-09T21:05:38","modified_gmt":"2024-04-09T13:05:38","slug":"stp","status":"publish","type":"post","link":"https:\/\/www.xinyixx.com\/index.php\/2024\/04\/09\/stp\/","title":{"rendered":"\u4e00\u7bc7\u8bfb\u61c2STP\u7684\u7aef\u53e3\u72b6\u6001\u4ee5\u53ca\u8f6c\u6362"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>STP\u751f\u6210\u6811\u7684\u4e94\u79cd\u7aef\u53e3\u72b6\u6001\uff1a<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Disabled\uff1a\u7981\u7528\u72b6\u6001\u3002<\/strong>\u7aef\u53e3\u65e2\u4e0d\u5904\u7406\u548c\u8f6c\u53d1BPDU\u62a5\u6587\uff0c\u4e5f\u4e0d\u8f6c\u53d1\u7528\u6237\u6d41\u91cf\u3002\u7aef\u53e3\u4f1a\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b<strong>\u505c\u755910\u79d2\u949f<\/strong>\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>Blocking\/Discarding\uff1a\u963b\u585e\u72b6\u6001\u3002<\/strong>\u7aef\u53e3\u4ec5\u4ec5\u80fd\u63a5\u6536\u5e76\u5904\u7406BPDU\uff0c\u4e0d\u80fd\u8f6c\u53d1BPDU\uff0c\u4e5f\u4e0d\u80fd\u8f6c\u53d1\u7528\u6237\u6d41\u91cf\u3002\u6b64\u72b6\u6001\u662f\u9884\u5907\u7aef\u53e3\u7684\u6700\u7ec8\u72b6\u6001\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7aef\u53e3\u4f1a\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b<strong>\u505c\u755920\u79d2\u949f<\/strong>\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>Listening\uff1a\u4fa6\u542c\u72b6\u6001\u3002<\/strong>\u7aef\u53e3\u53ef\u4ee5\u8f6c\u53d1BPDU\u62a5\u6587\uff0c\u4f46\u4e0d\u80fd\u8f6c\u53d1\u7528\u6237\u6d41\u91cf\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8be5\u7aef\u53e3\u4f1a\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b<strong>\u505c\u755915\u79d2\u949f<\/strong>\u7684\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>Learning\uff1a\u5b66\u4e60\u72b6\u6001\u3002<\/strong>\u7aef\u53e3\u53ef\u6839\u636e\u6536\u5230\u7684\u7528\u6237\u6d41\u91cf\u6784\u5efaMAC\u5730\u5740\u8868\uff0c\u4f46\u4e0d\u8f6c\u53d1\u7528\u6237\u6d41\u91cf\u3002\u589e\u52a0Learning\u72b6\u6001\u662f\u4e3a\u4e86\u9632\u6b62\u4e34\u65f6\u73af\u8def\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7aef\u53e3\u4f1a\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b<strong>\u505c\u755915\u79d2\u949f<\/strong>\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><strong>Forwarding\uff1a\u8f6c\u53d1\u72b6\u6001\u3002<\/strong>\u7aef\u53e3\u65e2\u53ef\u8f6c\u53d1\u7528\u6237\u6d41\u91cf\u4e5f\u53ef\u8f6c\u53d1BPDU\u62a5\u6587\uff0c\u53ea\u6709\u6839\u7aef\u53e3\u6216\u6307\u5b9a\u7aef\u53e3\u624d\u80fd\u8fdb\u5165Forwarding\u72b6\u6001\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7aef\u53e3\u4f1a\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b<strong>\u505c\u755915\u79d2\u949f<\/strong>\u65f6\u95f4\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">STP\u7aef\u53e3\u72b6\u6001\u8fc1\u79fb\u673a\u5236\uff1a<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><noscript><img decoding=\"async\" width=\"400\" height=\"308\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-56.png\" alt class=\"wp-image-4959\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-56.png 400w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-56-300x231.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\"><\/noscript><img decoding=\"async\" width=\"400\" height=\"308\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20400%20308%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4959 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20400%20308%22%3E%3C%2Fsvg%3E 400w\" sizes=\"(max-width: 400px) 100vw, 400px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-56.png 400w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-56-300x231.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-56.png\"><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1 \u7aef\u53e3\u521d\u59cb\u5316\u6216\u4f7f\u80fd;<br>2 \u7aef\u53e3\u88ab\u9009\u4e3a\u6839\u7aef\u53e3\u6216\u6307\u5b9a\u7aef\u53e3\u3002<br>3 \u7aef\u53e3\u4e0d\u518d\u662f\u6839\u7aef\u53e3\u6216\u6307\u5b9a\u7aef\u53e3\u3002<br>4&nbsp;forward delay\u8ba1\u65f6\u5668\u8d85\u65f6\u3002<br>5&nbsp;\u7aef\u53e3\u7981\u7528\u6216\u94fe\u8def\u5931\u6548\u3002<\/td><\/tr><tr><td>STP\u5728\u542f\u52a8\u7684\u65f6\u5019\uff0c\u7aef\u53e3\u72b6\u6001\u7531Disabled\u8f6c\u4e3aBlocking\uff0c\u6b64\u65f6\u7aef\u53e3\u6307\u5b9a\u63a5\u6536\u5206\u6790BPDU\uff0c\u4e0d\u80fd\u53d1\u9001\uff1b\u5982\u679cBlocking\u72b6\u6001\u7aef\u53e3\u88ab\u9009\u4e3a\u6839\u7aef\u53e3\u6216\u8005\u6307\u5b9a\u7aef\u53e3\uff0c\u4f1a\u8fdb\u5165Listening\u72b6\u6001\uff0c\u6b64\u65f6\u7aef\u53e3\u63a5\u6536\u5e76\u53d1\u9001BPDU\uff0c\u8fd9\u79cd\u72b6\u6001\u4f1a\u6301\u7eed\u4e00\u4e2aForward Delay\u65f6\u95f4\uff08\u7f3a\u770115s\uff09\uff1b\u6ca1\u6709\u610f\u5916\u60c5\u51b5\u56de\u5230Blocking\uff0c\u7aef\u53e3\u4f1a\u8fdb\u5165Learning\u72b6\u6001\uff0c\u5e76\u6301\u7eed\u4e00\u4e2a<strong>Forward Delay\u65f6\u95f4<\/strong>\uff08\u7f3a\u770115s\uff09\uff0c\u6b64\u65f6\u7aef\u53e3\u53ef\u4ee5\u6536\u53d1BPDU\uff0c\u540c\u65f6\u6784\u5efaMAC\u5730\u5740\u8868\uff0c\u4e3a\u8f6c\u53d1\u7528\u6237\u6570\u636e\u5e27\u505a\u51c6\u5907\uff1b\u6ca1\u6709\u610f\u5916\uff0c\u7aef\u53e3\u8fdb\u5165Forwarding\u72b6\u6001\uff0c\u5f00\u59cb\u7528\u6237\u6570\u636e\u5e27\u8f6c\u53d1\u5de5\u4f5c\uff1b\u72b6\u6001\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u65e6\u7aef\u53e3\u88ab\u5173\u95ed\u6216\u8005\u51fa\u73b0\u94fe\u8def\u6545\u969c\uff0c\u8fdb\u5165\u7981\u7528\u72b6\u6001\uff1b\u72b6\u6001\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u65e6\u7aef\u53e3\u4e0d\u518d\u662f\u6839\u7aef\u53e3\u6216\u8005\u6307\u5b9a\u7aef\u53e3\uff0c\u8fdb\u5165\u963b\u585e\u72b6\u6001\uff1b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\u00b7 \u4ece\u521d\u59cb\u5316(\u4ea4\u6362\u673a\u542f\u52a8)\u5230\u963b\u585e\u72b6\u6001(blocking)\n\n\u00b7 \u4ece\u963b\u585e\u72b6\u6001(blocking)\u5230\u76d1\u542c(listening)\u6216\u5931\u6548\u72b6\u6001(disabled)\n\n\u00b7 \u4ece\u76d1\u542c\u72b6\u6001(listening)\u5230\u5b66\u4e60(learning)\u6216\u5931\u6548\u72b6\u6001(disabled)\n\n\u00b7 \u4ece\u5b66\u4e60\u72b6\u6001(listening)\u5230\u8f6c\u53d1(forwarding)\u6216\u5931\u6548\u72b6\u6001(disabled)\n\n\u00b7 \u4ece\u8f6c\u53d1\u72b6\u6001(forwarding\u5230\u5931\u6548\u72b6\u6001(disabled)\n\n\u00b7 \u4ece\u5931\u6548\u72b6\u6001(disabled)\u5230\u963b\u585e\u72b6\u6001(blocking)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ea4\u6362\u673a\u4e0a\u7684\u7aef\u53e3\u5728\u542f\u52a8stp\u534f\u8bae\u540e\uff0c\u7aef\u53e3\u5b58\u5728\u7684\u4e94\u79cd\u72b6\u6001\uff1a<br>1\u3001\u5931\u6548(disabled) &#8211; \u8be5\u7aef\u53e3\u53ea\u662f\u76f8\u5e94\u7f51\u7ba1\u6d88\u606f\uff0c\u5e76\u4e14\u5fc5\u987b\u5148\u8f6c\u5230\u963b\u585e\u72b6\u6001\u3002\u8fd9\u79cd\u72b6\u6001\u53ef\u4ee5\u662f\u7531\u4e8e\u7aef\u53e3\u7684\u7269\u7406\u72b6\uff08\u5982\u7aef\u53e3\u7269\u7406\u5c42\u6ca1\u6709up\uff09\u6001\u5bfc\u81f4\u7684\uff0c\u4e5f\u53ef\u80fd\u662f\u7ba1\u7406\u5458\u624b\u5de5\u8bb2\u7aef\u53e3\u5173\u95ed\u3002   \u4e0d\u6536\u53d1\u4efb\u4f55\u62a5\u6587<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001 \u963b\u585e(blocking) &#8211; \u5904\u4e8e\u8fd9\u4e2a\u72b6\u6001\u7684\u7aef\u53e3\u4e0d\u80fd\u591f\u53c2\u4e0e\u8f6c\u53d1\u6570\u636e\u62a5\u6587\uff0c\u4f46\u53ef\u4ee5\u63a5\u6536BPDU\u914d\u7f6e\u6d88\u606f\uff0c\u5e76\u4ea4\u7ed9CPU\u5904\u7406\u3002\u4e0d\u8fc7\u4e0d\u80fd\u53d1\u9001\u914d\u7f6eBPDU\u6d88\u606f\uff0c\u4e5f\u4e0d\u80fd\u8fdb\u884c\u5730\u5740\u5b66\u4e60\u3002    \u4e0d\u63a5\u6536\u6216\u8f6c\u53d1\u6570\u636e\uff0c\u63a5\u6536\u4f46\u4e0d\u53d1\u9001BPDU\uff0c\u4e0d\u8fdb\u884c\u5730\u5740\u5b66\u4e60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u76d1\u542c(listening) &#8211; \u5904\u4e8e\u8fd9\u4e2a\u72b6\u6001\u7684\u7aef\u53e3\u4e0d\u53c2\u4e0e\u6570\u636e\u8f6c\u53d1\uff0c\u4e5f\u4e0d\u8fdb\u884c\u5730\u5740\u5b66\u4e60\uff0c\u4f46\u53ef\u4ee5\u63a5\u6536\u5e76\u53d1\u9001BPDU\u914d\u7f6e\u6d88\u606f\u3002    \u4e0d\u63a5\u6536\u6216\u8f6c\u53d1\u6570\u636e\uff0c\u63a5\u6536\u5e76\u53d1\u9001BPDU\uff0c\u4e0d\u8fdb\u884c\u5730\u5740\u5b66\u4e60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u5b66\u4e60(learning) &#8211; \u5904\u4e8e\u8fd9\u4e2a\u72b6\u6001\u7684\u7aef\u53e3\u4e0d\u80fd\u8f6c\u53d1\u6570\u636e\uff0c\u4f46\u662f\u5f00\u59cb\u5730\u5740\u5b66\u4e60\uff0c\u5e76\u53ef\u4ee5\u63a5\u6536\u3001\u5904\u7406\u548c\u53d1\u9001BPDU\u914d\u7f6e\u6d88\u606f\u3002    \u4e0d\u63a5\u6536\u6216\u8f6c\u53d1\u6570\u636e\uff0c\u63a5\u6536\u5e76\u53d1\u9001BPDU\uff0c\u5f00\u59cb\u5730\u5740\u5b66\u4e60 \u5b66\u4e60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u8f6c\u53d1(forwarding) -\u4e00\u65e6\u7aef\u53e3\u8fdb\u5165\u8be5\u72b6\u6001\uff0c\u5c31\u53ef\u4ee5\u8f6c\u53d1\u4efb\u4f55\u6570\u636e\uff0c\u540c\u65f6\u4e5f\u8fdb\u884c\u5730\u5740\u5b66\u4e60\u548cBPDU\u914d\u7f6e\u6d88\u606f\u7684\u63a5\u6536\u3001\u5904\u7406\u548c\u53d1\u9001\u3002    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u6536\u6216\u8f6c\u53d1\u6570\u636e\uff0c\u63a5\u6536\u5e76\u53d1\u9001BPDU\uff0c\u5f00\u59cb\u5730\u5740\u5b66\u4e60<br><br><br>BPDU\u662f\u8fd0\u884cSTP\u7684\u4ea4\u6362\u673a\u4e4b\u95f4\u4ea4\u6362\u7684\u6d88\u606f\u5e27\u3002<br>BPDU\u5185\u5305\u542b\u4e86STP\u6240\u9700\u7684\u8def\u5f84\u548c\u4f18\u5148\u7ea7\u4fe1\u606f\uff0cSTP\u4fbf\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\u6765\u786e\u5b9a\u6839\u6865\u4ee5\u53ca\u5230\u6839\u6865\u7684\u8def\u5f84\u3002<br>\u7aef\u53e3\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u2460\u5173\u95ed\uff08disable\uff09\uff1a\u7aef\u53e3\u5904\u4e8e\u7ba1\u7406\u5173\u95ed\u72b6\u6001\n\u5373DIS\n\u2461\u963b\u585e\uff08blocking\uff09: \u4e0d\u80fd\u8f6c\u53d1\u7528\u6237\u6570\u636e\n\u5373BLK\n\u2462\u76d1\u542c\uff08listening\uff09: \u63a5\u53e3\u5f00\u59cb\u542f\u52a8\n\u5373LIS\n\u2463\u5b66\u4e60\uff08learning) : \u5b66\u4e60MAC\u5730\u5740, 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src=\"https:\/\/download.huawei.com\/mdl\/image\/download?uuid=06992ff6519949da85022c9be08bfc79\"><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/download.huawei.com\/mdl\/image\/download?uuid=06992ff6519949da85022c9be08bfc79\" class=\" lazyload\"><\/p>\n\n\n\n<ol class=\"wp-block-list\" id=\"ZH-CN_CONCEPT_0177103075__ol6471201317291\">\n<li>\u7aef\u53e3Up\u6216\u4f7f\u80fd\u4e86STP\uff0c\u4f1a\u4eceDisabled\u72b6\u6001\u8fdb\u5165\u5230Blocking\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u7aef\u53e3\u88ab\u9009\u4e3e\u4e3a\u6839\u7aef\u53e3\u6216\u6307\u5b9a\u7aef\u53e3\uff0c\u4f1a\u8fdb\u5165Listening\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u7aef\u53e3\u7684Forward 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